OE Quality
60-Day Returns

Dorman 521-706 Suspension Control Arm - Rear Left Lower or Rear Right Lower
Reliable Suspension Control Arm for Jeep Commander and Grand Cherokee
The Dorman 521-706 suspension control arm is engineered to restore precise handling and suspension performance for Jeep Commander and Grand Cherokee models. Constructed from durable steel with a coated finish, this control arm offers long-lasting strength and corrosion resistance.
- Made from high-strength steel with casting and forging construction
- Includes a black rubber bushing for effective vibration dampening
- Overall length of 262.5 mm for exact fitment
- Ball joint mounting type is welded with a threaded stud (ball joint not included)
- Coated black finish for corrosion protection
- Compatible with Jeep Commander and Grand Cherokee suspension systems
- Press-in end type with bushing linkage for secure installation
Durable Construction and Precise Fitment
This Dorman suspension control arm (part number 521-706) is designed specifically for Jeep Commander and Grand Cherokee vehicles, ensuring proper alignment and suspension geometry. The steel construction combines casting and forging methods to provide a robust and reliable component capable of withstanding road stresses. The included rubber bushing, with a 14.3 mm inside diameter and 39.6 mm outside diameter, helps absorb shocks and reduce noise, contributing to a smoother ride. The control arm’s coated black finish protects against rust and environmental damage, extending the service life of the part.
Common Suspension Issues Addressed
- Worn or damaged control arm bushings causing steering instability
- Corroded or weakened control arm structure affecting suspension integrity
- Excessive vibration or noise from faulty suspension components
- Misalignment leading to uneven tire wear
- Loose or damaged ball joint mounting points (ball joint sold separately)
Installation Notes and Tips
Installation of the Dorman 521-706 control arm requires removal of the old control arm and proper alignment of the new part. Since the ball joint is not included, ensure compatibility with your existing ball joint or purchase separately if needed. The press-in end and bushing linkage design facilitate a secure fit, but professional installation is recommended to maintain suspension geometry and safety. Torque specifications should be followed according to Jeep service manuals.
Quality Assurance and Warranty
Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-706 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | 521-706 |
| Adjustable | No |
| Ball Joint Included | No |
| Ball Joint Installed | No |
| Ball Joint Mounting Type | Welded |
| Ball Joint Stud Type | Threaded |
| Bushing Color | Black |
| Bushing Inside Diameter | 14.3 |
| Bushing Length | 92 |
| Bushing Material | Rubber |
| Bushing Outside Diameter | 39.6 mm |
| Bushings Included | Yes |
| Color | Black |
| Construction | Casting/Forged |
| End 2 Type | Press In |
| Friction Material Thickness | Coated |
| Grade Type | Regular |
| Grease Fitting Included | No |
| Length | 262.5 |
| Linkage End Type | Bushing |
| Material | Steel |
| Mounting Brackets Included | No |
| Mounting Hardware Included | No |
| Overall Length | 262.5 mm |
| Package Contents | Control Arm |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Jeep | Commander | Rear Left Lower | |
| 2010 | Jeep | Commander | Rear Right Lower | |
| 2010 | Jeep | Grand Cherokee | Rear Left Lower | |
| 2010 | Jeep | Grand Cherokee | Rear Right Lower | |
| 2009 | Jeep | Commander | Rear Left Lower | |
| 2009 | Jeep | Commander | Rear Right Lower | |
| 2009 | Jeep | Grand Cherokee | Rear Left Lower | |
| 2009 | Jeep | Grand Cherokee | Rear Right Lower | |
| 2008 | Jeep | Commander | Rear Left Lower | |
| 2008 | Jeep | Commander | Rear Right Lower | |
| 2008 | Jeep | Grand Cherokee | Rear Left Lower | |
| 2008 | Jeep | Grand Cherokee | Rear Right Lower | |
| 2007 | Jeep | Commander | Rear Left Lower | |
| 2007 | Jeep | Commander | Rear Right Lower | |
| 2007 | Jeep | Grand Cherokee | Rear Left Lower | |
| 2007 | Jeep | Grand Cherokee | Rear Right Lower | |
| 2006 | Jeep | Commander | Rear Left Lower | |
| 2006 | Jeep | Commander | Rear Right Lower | |
| 2006 | Jeep | Grand Cherokee | Rear Left Lower | |
| 2006 | Jeep | Grand Cherokee | Rear Right Lower | |
| 2005 | Jeep | Grand Cherokee | Rear Left Lower | |
| 2005 | Jeep | Grand Cherokee | Rear Right Lower |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.